24-Pin Atx Power (Pwr1); Figure 4. Pwr1 Motherboard Connector - Nvidia NFORCE 780I SLI User Manual

Make sure you have enough power to cover all the expansion cards you will be
installing. To determine what you power requirements are for your specific
configuration or a certified power supply vendor, refer to
24-pin ATX Power
is the main power supply connector located along the edge of the board
PWR1
next to the DIMM slots. Make sure that the power supply cable and pins are
properly aligned with the connector on the motherboard. Firmly plug the power
supply cable into the connector and make sure it is secure.
Card edge
Figure 4. PWR1 Motherboard Connector
Table 1. PWR1 Pin Assignments
Connector
24
12
(PWR1)
PWR1 connector
Plug power cable from system
power supply to PWR1
Pin Signal
1 +3.3V
13
2 +3.3V
3 GND
4 +5V
5 GND
1
6 +5V
7 GND
8 PWROK
9 +5V_AUX
10 +12V
11 +12V
October 17, 2007 | DU-03597-001_v01
Hardware Installation
.
www.slizone.com
Pin Signal
13 +3.3V
14 -12V
15 GND
16 PS_ON
17 GND
18 GND
19 GND
20 RSVD
21 +5V
22 +5V
23 +5V
NVIDIA Corporation
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